M22NRXA-LDN-M1-00 Pacific Scientific
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The Pacific Scientific M22NRXA-LDN-M1-00 is part of the POWERMAX II M Motors series and features an enhanced construction with a NEMA 23 frame size. This motor has a double smooth shaft configuration, operates at a step angle of 1.8 degrees with 200 steps per revolution, and weighs 2.5 pounds. It is rated for insulation class B at 130°C and can operate in temperatures from -20°C to 40°C.
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Product Description:
The M22NRXA-LDN-M1-00 is a hybrid stepping motor manufactured by Pacific Scientific as part of the POWERMAX II M Motors series. Intended for industrial automation, it turns discrete pulse trains into repeatable mechanical motion, providing incremental positioning for pick-and-place heads, small conveyors, and metering pumps. The hybrid stepper design also supports predictable holding and indexing behavior between commanded moves. The unit is built in a NEMA frame, supports encoder mounting for optional feedback, and uses a regular leadwire connection for straightforward integration into existing control cabinets.
The motor’s mechanical envelope matches the NEMA 23 frame standard, and its body length is 3.10 in, giving it a compact package for two-stack torque generation. The windings use Class B insulation rated to 130 °C, with an insulation resistance of 100 Megohms at room temperature and a voltage withstand capability of 340 Vdc. A smooth, double-ended shaft with a diameter of 0.2500 in simplifies coupling to gears or encoders, and the 1.500 in pilot centers the motor on the mounting face. This shaft arrangement leaves one end available for an encoder while the other can drive the load. Power connections use a receptacle, and the regular leadwire style supports simple cable routing. The enhanced construction, standard rotor design, and two magnetic stacks work with winding type A to increase torque without raising the rotor inertia, which remains 0.0036 oz-in-s² for responsive acceleration.
The electromagnetic section advances the rotor by 1.8 degrees per step, yielding 200 full steps per revolution with a step accuracy of ±1.5%. This accuracy is maintained across an ambient temperature range of -20°C to +40°C, allowing reliable operation in unconditioned enclosures. The standard mounting pattern aligns with common brackets, and encoder-ready endbells support optional feedback devices. The unit weighs only 2.5 lb, which helps limit the load on linear stages while keeping installation straightforward.
Frequently Asked Questions about M22NRXA-LDN-M1-00:
Q: What is the connection style used by the M22NRXA-LDN-M1-00 motor?
A: The M22NRXA-LDN-M1-00 uses a Regular/leadwire connection style for its electrical interface.
Q: What is the shaft configuration and diameter of the M22NRXA-LDN-M1-00 motor?
A: The shaft is configured as a double shaft with a smooth finish and a diameter of 0.2500 inches.
Q: How many steps per revolution does the M22NRXA-LDN-M1-00 offer?
A: This motor provides 200 steps per revolution, each with a step angle of 1.8 degrees.
Q: What is the operating temperature range for the M22NRXA-LDN-M1-00?
A: The operating temperature range for this motor is from -20°C to +40°C.
Q: What are the insulation resistance and voltage ratings of the M22NRXA-LDN-M1-00?
A: The insulation resistance of this model is rated at 100 Megohms and the insulation voltage rating is 340 Vdc.
